package com.nyist.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class PayHystrixUserService {

    /**
     * 访问正常
     * @param id
     * @return
     */
    public String printInfo_OK(Integer id){
        return "线程池："+Thread.currentThread().getName()+" printInfo_OK,id"+id+"\t"+"哈哈哈";
    }

    /**
     * 访问超时
     * @param id
     * @return
     */
    @HystrixCommand(fallbackMethod = "printInfo_TimeOutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "3000")
    })
    public String printInfo_TimeOut(Integer id){
        int timeNumber=5;
        try {
            TimeUnit.SECONDS.sleep(timeNumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池："+Thread.currentThread().getName()+" printInfo_TimeOut,id"+id+"\t"+"哈哈哈"+"   耗时："+timeNumber;
    }


    //===========服务熔断
    /**
     *  服务降级处理
     * @param id
     * @return
     */
    public String printInfo_TimeOutHandler(Integer id){
        return "支付模块8001：系统繁忙请稍后再试或运行报错    printInfo_TimeOutHandler,id"+id+"\t"+"呜呜呜";
    }

    /**
     * 在十秒内  十次请求  错误率达60% 跳闸
     *
     * @param id
     * @return
     */
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"), //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),//请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),//时间窗口期【在一定时间范围内】
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),//失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(Integer id){
        if(id<0){
            throw new RuntimeException("**********id 不能为负数");
        }
        String serialNumber= IdUtil.simpleUUID();

        return Thread.currentThread().getName()+"\t"+"调用成功，流水号："+serialNumber;
    }

    public String paymentCircuitBreaker_fallback(Integer id){
        return "[服务降级]    id 不能为负数，请稍后重试，~~~~ id："+id;
    }
}
